Triple

T8298904
Position Surface form Disambiguated ID Type / Status
Subject Fruitvale BART station E194294 entity
Predicate lineServed P6301 FINISHED
Object BART Blue Line (Dublin/Pleasanton–Daly City) via Bay Fair (historical/peak patterns may vary) E582310 NE FINISHED

How this triple was built (2 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: BART Blue Line (Dublin/Pleasanton–Daly City) via Bay Fair (historical/peak patterns may vary) | Statement: [Fruitvale BART station, lineServed, BART Blue Line (Dublin/Pleasanton–Daly City) via Bay Fair (historical/peak patterns may vary)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: BART Blue Line (Dublin/Pleasanton–Daly City) via Bay Fair (historical/peak patterns may vary)
Context triple: [Fruitvale BART station, lineServed, BART Blue Line (Dublin/Pleasanton–Daly City) via Bay Fair (historical/peak patterns may vary)]
  • A. BART Blue Line chosen
    The BART Blue Line is a Bay Area Rapid Transit service route that runs through San Francisco and the greater Bay Area, connecting key urban centers and regional destinations.
  • B. BART Yellow Line
    The BART Yellow Line is a Bay Area Rapid Transit route that runs through key stations including Civic Center/UN Plaza, connecting San Francisco with the East Bay and beyond.
  • C. Dublin/Pleasanton–Daly City line
    The Dublin/Pleasanton–Daly City line is a Bay Area Rapid Transit (BART) heavy rail service connecting the East Bay’s Tri-Valley area with San Francisco via a transbay route.
  • D. BART Antioch–SFO+Millbrae line
    The BART Antioch–SFO+Millbrae line is a Bay Area Rapid Transit service that runs between Antioch in the East Bay and San Francisco International Airport and Millbrae, connecting suburban communities with major regional transit hubs.
  • E. BART Red Line
    The BART Red Line is a Bay Area Rapid Transit service route that runs through San Francisco and connects key destinations including downtown San Francisco, Oakland, and other parts of the Bay Area.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69ca82e50ebc81909aa7b260c76bd757 completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb7dfb60e48190bfa5de1c1496d3b5 completed March 31, 2026, 7:55 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd68b6ad30819090d34d8e79cee634 completed April 1, 2026, 6:49 p.m.
Created at: March 30, 2026, 5:53 p.m.